Dec 4, 2012 #1 Government$ Messages 87 Reaction score 1 Homework Statement Find the first derivative of (5/x)+(5/SQRT(x)) Homework Equations Derivative ruls The Attempt at a Solution Is this correct? Thank you Attachments IMG_0289.JPG 16 KB · Views: 439
Homework Statement Find the first derivative of (5/x)+(5/SQRT(x)) Homework Equations Derivative ruls The Attempt at a Solution Is this correct? Thank you
Dec 4, 2012 #2 arildno Science Advisor Homework Helper Gold Member Dearly Missed Messages 10,119 Reaction score 138 Yes.
Dec 4, 2012 #4 Mark44 Mentor Insights Author Messages 38,039 Reaction score 10,525 Unless this problem requires the use of the quotient rule, it can be done much more simply using the power rule. $$\frac{d}{dx}\left(\frac{5}{x} + \frac{5}{\sqrt{x}} \right)$$ = d/dx(5x-1 + 5x-1/2) = -5x-2 - (1/2)x-3/2
Unless this problem requires the use of the quotient rule, it can be done much more simply using the power rule. $$\frac{d}{dx}\left(\frac{5}{x} + \frac{5}{\sqrt{x}} \right)$$ = d/dx(5x-1 + 5x-1/2) = -5x-2 - (1/2)x-3/2